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Toru Nagaura — 14 Patents

Sony: 8 patents #5,371 of 25,231Top 25%
UCUnion Carbide: 1 patents #697 of 1,402Top 50%
Koriyama, JP: #16 of 266 inventorsTop 7%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Toru Nagaura has been granted 14 US patents while listed as an inventor at Sony. The first was granted in 1983 and the most recent in September 1999. Toru Nagaura ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Toru Nagaura in Koriyama, JP.

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5958620 Cylindrical battery 1999-09-28
5935731 Cylindrical battery 1999-08-10
5591546 Secondary cell 1997-01-07
5534369 Battery having divided electrode portions 1996-07-09
5478675 Secondary battery 1995-12-26
5370710 Nonaqueous electrolyte secondary cell Hisayuki Kato 1994-12-06 $224,000
5292601 Nonaqueous electrolyte secondary battery Naoyuki Sugeno, Masanori Anzai 1994-03-08 $207,000
5273842 Non-aqueous electrolyte secondary battery Takayuki Yamahira 1993-12-28 $102,000
4943497 Cell having current cutoff valve Shigeru Oishi, Takao Abe, Mochiyuki Watanabe 1990-07-24 $770,000
4891282 Organic electrolyte cell Shigeru Oishi 1990-01-02 $286,000
4828834 Rechargeable organic electrolyte cell Masaaki Yokokawa, Toshio Hashimoto 1989-05-09 $213,000
4770960 Organic electrolyte cell Toshio Hashimoto 1988-09-13 $318,000
4687716 Organic electrolyte cell 1987-08-18 $523,000
4370395 Alkaline cell Takayuki Aita 1983-01-25 $5,207,000